:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  font-weight: 500;
  color: #646cff;
  text-decoration: inherit;
}

a:hover {
  color: #535bf2;
}

body {
  margin: 0;
  /* display: flex;
  place-items: center;
  min-width: 320px;
  min-height: 100vh; */
}

h1 {
  font-size: 3.2em;
  line-height: 1.1;
}
ul,ol{
  /* “list-style:none”的意思是设置列表项目样式为不使用项目符号。 */
  margin: 0px;
  padding: 0px;
  list-style: none;

}
button {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: border-color 0.25s;
}

button:hover {
  border-color: #646cff;
}

/* button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
} */

.card {
  padding: 2em;
}

@media (prefers-color-scheme: light) {
  :root {
    color: #213547;
    background-color: #ffffff;
  }

  a:hover {
    color: #747bff;
  }

  button {
    background-color: #f9f9f9;
  }
}

html, body, #app {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: Arial, "Helvetica Neue", Helvetica, "Microsoft YaHei", "\5FAE\8F6F\96C5\9ED1", "Hiragino Sans GB", "Pingfang SC";
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: #303133;
}

#app {
  background-color: #f1f2f6;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  padding-left: 16px;
  padding-right: 16px;
  padding-top: 16px;
  overflow: auto;
}